Cordilleran and Laurentide Multiple Glaciation West-Central Alberta, Canada

1975 ◽  
Vol 12 (9) ◽  
pp. 1493-1515 ◽  
Author(s):  
Murray A. Roed

Informal rock stratigraphic units have been established for the area. They consist of the Marlboro, Raven Creek, Obed, and Drystone Creek tills of Cordilleran provenance, and the Marsh Creek, Edson, and Mayberne tills of Canadian Shield or Laurentide source. Three different gravel units of Tertiary–Quaternary age underlie glacial deposits of the area and are here called the Tableland, Lowland, and Buried Valley gravel, in order of decreasing age.Evidence for four and possibly five glacier advances has been recognized. The oldest is inferred by fragmentary evidence of an 'Early' Cordilleran till. The second, represented by the Marsh Creek till, is the initial and greatest advance of Laurentide ice into the area. In the third both Cordilleran and Laurentide glaciers advanced and met. The Cordilleran ice is recorded by the Marlboro and Raven Creek tills, and the Laurentide by the Edson and Mayberne tills. The fourth glacial advance is documented by the Obed till of Cordilleran source. The Hinton terraces were formed during retreat of this glacier. The last glacier advance is indicated by the Drystone Creek till present in small valleys at the mountain front.Although radiocarbon dates are not available, the Marlboro, Obed, and Drystone Creek Cordilleran ice advances may represent the Early, Middle, and Late Stages of the Pinedale Glaciation (classical Wisconsin) of the Rocky Mountain area of the United States of America. Broadly correlative Cordilleran glacial advances occurred in the Banff area and the Williston Lake area of British Columbia.

1982 ◽  
Vol 19 (12) ◽  
pp. 2219-2231 ◽  
Author(s):  
Lionel E. Jackson Jr. ◽  
Glen M. MacDonald ◽  
Michael C. Wilson

Fluvial terraces flank the course of the Bow River for 100 km from the eastern margin of the Rocky Mountain Front Ranges to Calgary and beyond. The terraces are cut predominantly in gravel fill, which ranges in thickness from approximately 10 m in the Calgary area to 30 m near the mountain front. Sedimentary structures in the gravels indicate a braided stream sedimentary environment in contrast to the present quasi-stable, sinuous, single-channel form of the Bow River. Radiocarbon dates on ungulate remains from the gravels indicate the main period of fill occurred ca. 11 500–10 000 RCYBP (radiocarbon years before present). Previous workers have postulated that the gravels originated directly as outwash from a glacial advance to or beyond the mountain front. This explanation has been refuted by recent stratigraphic and palynological investigations. A complex nonglaciofluvial origin is proposed for these terraces and the sediments that form them. The last glacial advance to reach the mountain front was well into retreat by as early as ca. 13 400 RCYBP. Spruce and pine forest was established in the Bow River drainage by ca. 10 400–10 000 RCYBP and glaciers were restricted to high cirques. It is probable that the early period of fill deposition (ca. 11 500–10 000 RCYBP) was initiated when mountain tributary trunk streams of the Bow River were choked with debris-flow-delivered sediment during the construction of paraglacial debris fans and related phenomena. The debris flows were distinctive features of early nonglacial times, when landforms left unstable by ice retreat mass-wasted into the valleys. Paraglacial processes explain the early postglacial history of the Bow drainage and this example provides a model readily applicable to other drainages in formerly glaciated terrain.


1994 ◽  
Vol 59 (4) ◽  
pp. 769-781 ◽  
Author(s):  
Scott D. Chaffee ◽  
Marian Hyman ◽  
Marvin W. Rowe ◽  
Nancy J. Coulam ◽  
Alan Schroedl ◽  
...  

Controversy has surrounded the All American Man pictograph in southeast Utah since its discovery in the 1950s. Its coloration, similar to the flag of the United States of America, has led to questions regarding its authenticity. We have obtained two radiocarbon values on a single sample comprised of pigmented sandstone fragments from one small area of this pictograph. They suggest the pictograph dates to the fourteenth century and indicate that it is an authentic, prehistoric pictograph, probably Anasazi in origin.


1996 ◽  
Vol 1 (1) ◽  
pp. 3-24 ◽  
Author(s):  
Alan Rodger

This article is the revised text of the first W A Wilson Memorial Lecture, given in the Playfair Library, Old College, in the University of Edinburgh, on 17 May 1995. It considers various visions of Scots law as a whole, arguing that it is now a system based as much upon case law and precedent as upon principle, and that its departure from the Civilian tradition in the nineteenth century was part of a general European trend. An additional factor shaping the attitudes of Scots lawyers from the later nineteenth century on was a tendency to see themselves as part of a larger Englishspeaking family of lawyers within the British Empire and the United States of America.


Author(s):  
James C Alexander

From the first days, of the first session, of the first Congress of the United States, the Senate was consumed by an issue that would do immense and lasting political harm to the sitting vice president, John Adams. The issue was a seemingly unimportant one: titles. Adams had strong opinions on what constituted a proper title for important officers of government and, either because he was unconcerned or unaware of the damage it would cause, placed himself in the middle of the brewing dispute. Adams hoped the president would be referred to as, “His highness, the President of the United States of America, and Protector of the Rights of the Same.” The suggestion enraged many, amused some, and was supported by few. He lost the fight over titles and made fast enemies with several of the Senators he was constitutionally obligated to preside over. Adams was savaged in the press, derided in the Senate and denounced by one of his oldest and closest friends. Not simply an isolated incident of political tone-deafness, this event set the stage for the campaign against Adams as a monarchist and provided further proof of his being woefully out of touch.


2019 ◽  
Vol 2 (4) ◽  
pp. 237
Author(s):  
Laith Mzahim Khudair Kazem

The armed violence of many radical Islamic movements is one of the most important means to achieve the goals and objectives of these movements. These movements have legitimized and legitimized these violent practices and constructed justification ideologies in order to justify their use for them both at home against governments or against the other Religiously, intellectually and even culturally, or abroad against countries that call them the term "unbelievers", especially the United States of America.


Author(s):  
Attarid Awadh Abdulhameed

Ukrainia Remains of huge importance to Russian Strategy because of its Strategic importance. For being a privileged Postion in new Eurasia, without its existence there would be no logical resons for eastward Expansion by European Powers.  As well as in Connection with the progress of Ukrainian is no less important for the USA (VSD, NDI, CIA, or pentagon) and the European Union with all organs, and this is announced by John Kerry. There has always ben Russian Fear and Fear of any move by NATO or USA in the area that it poses a threat to  Russians national Security and its independent role and in funence  on its forces especially the Navy Forces. There for, the Crisis manyement was not Zero sum game, there are gains and offset losses, but Russia does not accept this and want a Zero Sun game because the USA. And European exteance is a Foot hold in Regin Which Russian sees as a threat to its national security and want to monopolize control in the strategic Qirim.


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